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peri-

1.
a prefix meaning “about” or “around” (perimeter, periscope), “enclosing” or “surrounding” (pericardium), and “near” (perigee, perihelion), appearing in loanwords from Greek (peripeteia); on this model, used in the formation of compound words (perimorph).
Origin
< Greek, prefixal use of perí (adv. and preposition)
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for peri-

peri-

prefix
1.
enclosing, encircling, or around pericardium, pericarp, perigon
2.
near or adjacent perihelion
Word Origin
from Greek peri around, near, about
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for peri-

word-forming element meaning "around, about, enclosing," from Greek peri (prep.) "around, about, beyond," cognate with Sanskrit pari "around, about, through," Latin per, from PIE *per- (1) "forward, through" (see per).

Online Etymology Dictionary, © 2010 Douglas Harper
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peri- in Medicine

peri- pref.

  1. Around; about; enclosing: perimysium.

  2. Near: perinatal.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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peri- in Science
peri-  
A prefix that means: "around" (as in pericardium,) or "near" (as in perihelion).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Word Value for peri

6
7
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